PTB-XL

21,799 clinical 12-lead ECGs (PhysioNet)

ECGDOI

Key facts

Signals
ecg
Reference Labels
afib
Sampling Rates
500 Hz (100 Hz downsampled copy)
Subjects
18869
License
CC BY 4.0

Summary

21,799 10-s 12-lead ECGs from 18,869 patients (Schiller devices, 1989–1996), annotated with 71 SCP-ECG statements (diagnostic, form, rhythm — rhythm statements include AF), with recommended 10-fold patient-wise splits (folds 9–10 human-validated). v1.0.3, 3.0 GB, open access. Source: PhysioNet page (fetched 2026-10-12).

Updated: Oct 12, 2026